Sketch, on the diagram, the graphs of $y=\left| 2x+3 \right|$ and $y=-2{{x}^{2}}-8x-3$. (You are

Question

Sketch, on the diagram, the graphs of $y=\left| 2x+3 \right|$ and $y=-2{{x}^{2}}-8x-3$. (You are not required to label any axial intercepts and stationary points.)[2] Solve exactly the inequality $\left| 2x+3 \right|>-2{{x}^{2}}-8x-3$.[3]

Accepted Answer

(i) Sketch shown. (ii) $x\frac{-5+\sqrt{13}}2$.

2022 CJC Promo Q1

2022 CJC Promo Q1

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